. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. BeUerophon led a Class Pteropoda. Cuvieu. The pteropods, or sea butterflies, are pelagic animals, often found in vast numbers swim- ming near the surface of the water after dark. Though frequently naked, a large number bear more or less transparent shells, which are very variable in outline. The shells are often found in vast quantities on the ocean floor, constituting " pteropod ; The head of the pteropod is indistinctly defined, the eyes are rudimentary, and the foot is represented by two lateral
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. BeUerophon led a Class Pteropoda. Cuvieu. The pteropods, or sea butterflies, are pelagic animals, often found in vast numbers swim- ming near the surface of the water after dark. Though frequently naked, a large number bear more or less transparent shells, which are very variable in outline. The shells are often found in vast quantities on the ocean floor, constituting " pteropod ; The head of the pteropod is indistinctly defined, the eyes are rudimentary, and the foot is represented by two lateral fin-like or wing-like appendages, near the head; the body is straight or variously inrolled. Fig. 218 shows a modern pteropod with Fig. 213. Styliola recta. Lesu eur . Recent (after Adams, from Zittel). This is a modern form, closely re- lated to the most abundant fossil species of our rocks,, StyUolina fissureUa. Hall. (s7i) Shell; (/) modified Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Buffalo Society of Natural Sciences. Buffalo, N. Y. : Buffalo Society of Natural Sciences
Size: 1335px × 1872px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, books, booksubjectnaturalhistory
